I've always wondered what the attrition rate is for these types of interviews. I know I'd probably fail them and I've been writing software professionally for a

I've always wondered what the attrition rate is for these types of interviews. I know I'd probably fail them and I've been writing software professionally for a while. And this is with me regularly practicing these types of problems because you simply just can't know. Often solving them takes the entire interview time in itself.